(+)-(4bR,10bS,11S,12S)-4b,5,6,10b,11,12-hexahydro-10b,11,12-trihydroxy-5-methylbenzophenanthridine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81370-44-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,7 and 0 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 81370-44: (7*8)+(6*1)+(5*3)+(4*7)+(3*0)+(2*4)+(1*4)=117 117 % 10 = 7 So 81370-44-7 is a valid CAS Registry Number.